Cistus

Cistus

Dichotomous table for leafminers

2a hole in the mine neatly circular; while feeding the larve attaches its case with silk to the leaf. Before moving to anothher place it bites the silk, leaving a fine fringe of bitten stubbles around the rim of the hole =>3

2b hole not neatly circular; the case is not secured, therefore easily drops upon disturbance; no fringe on the rim of the hole => 5